south island in aggressive robots and stationary metal capsule ##s . the player controls sonic , who aims to halt robot ##nik ' s plans by freeing his animal friends and collecting the emerald ##s himself . if the player collects all the chaos emerald ##s and completes the game , a reward ending sequence is shown . if all the emerald ##s are not collected , robot ##nik tau ##nts the player while jug ##gling the chaos emerald ##s instead . sonic the hedge ##hog is a 2d , side @ - @ scrolling platform ##er , whose gameplay centers around sonic ' s ability to run at high speed through levels incorporating springs , slopes , high falls , and loop @ - @ the @
south island in aggressive robots and stationary metal capsules. the player controls sonic, who aims to halt robotnik's plans by freeing his animal friends and collecting the emeralds himself. if the player collects all the chaos emeralds and completes the game, a reward ending sequence is shown. if all the emeralds are not collected, robotnik taunts the player while juggling the chaos emeralds instead. sonic the hedgehog is a 2d, side @ - @ scrolling platformer, whose gameplay centers around sonic's ability to run at high speed through levels incorporating springs, slopes, high falls, and loop @ - @ the @